Number puzzle

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Alfred
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Joined: Fri Mar 14, 2014 6:44 pm
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Number puzzle

Postby Alfred » Sun Nov 29, 2015 7:45 pm

Find the highest number where:

1: all digits are different

2: the sum of its digits is a 2digit number whose 2 digits do not appear in the number

Example:
number : 754
7 + 5 + 4 = 16 : 1 and 6 do not appear in 754

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